Pest insects

Pest insects can have adverse and damaging impacts on agricultural production and market access, the natural environment, and our lifestyle. Pest insects may cause problems by damaging crops and food production, parasitising livestock, or being a nuisance and health hazard to humans.

Western Australia is free from some of the world's major pest insects. Biosecurity measures on your property are vital in preventing the spread of insects.

The Department of Primary Industries and Regional Development provides:

  • biosecurity/quarantine measures at the WA border to prevent the entry of pest insects
  • where relevant post border biosecurity measures
  • advice on widespread pest insects present in the state.

For advice on pest insects search our website, the Western Australian Organism List or contact our Pest and Disease Information Service (PaDIS).

For diagnostic services, please contact our Diagnostic Laboratory Services.

Articles

  • DDLS - Entomology services provides expertise in invertebrate identification as well as helping to facilitate domestic and international trade and assists in protecting the biosecurity of Western A

  • Up to date autumn/winter and winter/spring insecticide spray guides are provided by the department every year to help growers and consultants manage insect pests in canola, lupin and cereal crops.

  • Portuguese millipedes (Ommatoiulus moreletii) belong to a group of animals called Myriapoda (meaning many-legged), which also includes several native Australian millipedes and centipedes.

  • Cutworms are plump, smooth caterpillars, of several moth species. They feed on all crop and pasture plants, damaging them near the ground. The caterpillars hide under the soil or litter by day.

  • PestFax is an interactive reporting service, providing risk alerts, current information and advice on pests and diseases threatening crops and pastures throughout the grain belt of Western Australi

  • Russian wheat aphid is a major pest of wheat, barley and some grasses (Poaceae), which can cause significant yield losses.

  • Ant treatment and control options vary tremendously for homes, gardens, and businesses, depending on the ant species.

  • Brown marmorated stink bug (Halyomorpha halys) is a mottle brown coloured, shield shaped stink bug.

  • The olive lace bug, Froggattia olivinia, is native to eastern Australia. It has become established in the olive growing regions of Western Australia.

  • Every year, at the end of July/beginning of August, volunteer farmers, agronomists and some Department of Primary Industries and Regional Development (DPIRD) staff commence weekly pheromone trappin

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